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The Antarctic Sun, January 5, 2003

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The Antarctic Sun, January 5, 2003 Published during the austral summer at McMurdo Station, Antarctica, for the United States Antarctic Program January 5, 2003 New way to Self-portrait from a kite date old stone By Kristan Hutchison Sun staff Particles showering the Earth could tell geologists how long particular rocks have been on the surface. Trees show their age in rings, ice in layers, people in wrinkles, but stones are a bit trickier. Geologist Paul Renne col- lected rock samples from the Dry Valleys last month, hoping they will help him crack the code of argon-38, an arcane iso- tope created as certain atoms are bom- barded by particles from tiny nuclear reactions in the atmosphere. Isotopes are atoms of a chemical element with differ- ing mass numbers and physical proper- ties. Renne is attempting to determine the rate at which argon-38 is created. Then geologists could measure argon-38 in rock samples to establish their ages. First place other Photo by Eric Muhs, TEA at the South Pole “If we knew somehow that the rate of Unique views of Antarctica prevailed in the Antarctic Photo and Writing Contest, like the above this incoming radiation was constant or photo, which takes the standard “hero shot” at the South Pole ceremonial marker to an unexpect- predictable, then we could tell how long ed level. Photography judge Joan Myers, a fine-arts photographer and National Science those layers have been exposed,” said Foundation artist grantee, said of the photo she chose for first in the “other” category, “What an Renne, who has a three-year research odd view of the South Pole marker....Somebody went to a lot of work here. They probably had a lot grant from the National Science of images that didn't work and I'm sure the photographer's hands were getting very, very cold.” Foundation. Other winning photos and writing start on page 11, or go to www.polar.org/antsun to see the pho- This could become a new and impor- tos as they’re meant to be, in color. tant tool for geologists. See Rock on page 18 Photo, Poetry and Prose Festival Q U O T E OF THE W E E K “That’s a Darwin Award Marking a wandering Pole waiting to happen.” By Mark Sabbatini 46-day private expedition. "We're together — South Pole scientist referring to Sun staff for 46 days and then there's like 30 or 35 two men trying to traverse the people there asking us questions." continent on kite-pulled sleds The annual ceremony at Amundsen- Scott South Pole Station of placing a It may be the first time surprise visitors marker at the exact bottom of the world have appeared at the ceremony, said Jerry isn't the place one normally finds unex- Marty, the National Science Foundation INSIDE pected guests. representative for the station. The skiers But this year four skiers appeared as said they were simply finishing a final 30- Lost skua finds Pole final preparations were underway. The vis- hour push to reach the Pole, with no idea page 3 itors arrived to cheers 10 minutes before the ceremony was occurring that day. the event that traditionally greets the New At 10 a.m. Dec. 29 - timed for the sta- Year, getting as much of a surprise as the tion workers' day off instead of New Celebrating year’s end, Pole dwellers who spotted the group. Year's Day - a new pole with a specially Pole style page 18 "To be honest, it was a bit overwhelm- designed marker for 2003 was placed at ing," said Paul Landry, a guide who led the www.polar.org/antsun See Marker on page 9 2 • The Antarctic Sun January 5, 2003 Ross Island Chronicles By Chico Look there’s a So these are the Dry Valleys everyone keeps microarthropod, an talking about. I don’t see what the big deal is. Antarctic springtail. They There’s are the largest terrestrial nothing creatures on the continent here and only grow to 2 but Cold, hard facts millimeters rocks in length. Erebus ...not Number of active volcanoes in Antarctica: 3 even snow! Southernmost volcano: Mt. Erebus Discovered: In 1841 by James Ross Named: For one of his two ships, a Greek name for the ring of darkness WHAT?! AND WHAT Maybe I ought to the dead had to pass through ARE WE, TOURISTS?! swallow it to show Height of Mt. Erebus: 12,280 feet (3,794 it who really is the meters) above sea level king around here. Area covered by Mt. Erebus: about 400 square miles (1,035 sq. km) Average temperature on the volcano’s slopes: -20F (-29C) in summer; -60F (-51C) winter Temperature in the lava lake: about There’s a good chance your stomach If you put your finger in your mouth 1,652F to 2,066F (900C to 1,130C) will keep it alive for some time. I’m deep enough like you taught me, you Age of Erebus: > 1 million years sure there’s plenty for it can upchuck him out and then ask for Age of the summit: < 100,000 years to eat in there. forgiveness. Frequency of eruptions: Strombolian (lava bombs) – several times a day; Ash–infrequent First time a lava flow was observed: 2000-2001 season Sources: Mt. Erebus Volcano Observatory, NSF and New Mexico Tech Katabatic Krosswords: Countries with bases in Antarctica The Antarctic Sun is funded by the National Science Foundation as part of the United Tip: Most clues list a base or station of a country 1 1 2 3 4 States Antarctic Program. Its pri- 1 2 3 Across mary audience is U.S. Antarctic 5 5 5 6 5 1. Vostok Program participants, their fami- 5. Artigas 7 5 4 6 lies, and their friends. NSF 7. Maitri 5 7 8 10. Great Wall reviews and approves material 6 8 before publication, but opinions and conclu- 11. The committee the bases operate under (acryn.) 12. Escudero 9 10 sions expressed in the Sun are not necessari- 14. Arctowski 11 ly those of the Foundation. 16. Vernadsky Use: Reproduction and distribution are 17. Scott 12 encouraged with acknowledgment of source 18. Palmer 19. Dumont d’Urville 13 and author. 12 Senior Editor: Kristan Hutchison Down Editors: Melanie Conner 2. Marion Island 14 15 Mark Sabbatini 3. Comandante Ferraz 14 15 Copy Editor: Liz Connell, Wendy Kober 4. Bases are assigned a number based on this 15 16 6. Rothera Publisher: Valerie Carroll, 8. Syowa Communications manager, RPSC 9. King Sejong 16 17 Contributions are welcome. Contact the 11. Where all points converge 18 13. Mawson Sun at [email protected]. In McMurdo, visit 18 15. Esperanza our office in Building 155 or dial 2407. 19 18 Web address: www.polar.org/antsun Solution on page 19 1 19 1 Squares too small? No pencil to erase your mistakes? Try our interactive online puzzle at www.polar.org/antsun January 5, 2003 The Antarctic Sun • 3 Non-human life form seen at Pole By Mark Sabbatini “Compared to the other ones I’ve seen McMurdo Station years ago where it Sun staff down here, that one looked good,” said “rained” chicken bones dropped by raid- he conspiracy theorists have it right: Scott Smith, a plumber who recalled four ing skuas is local legend – but the chance Every so often residents at the skua sightings during the eight seasons he of a stray morsel from the South Pole’s T South Pole experience the shock of has worked at the station. tightly closed outdoor waste bins is essen- seeing a life form that absolutely is not But the skua was hardly finding life tially zero. A few workers suggested the human. easy: Smith said it was trying to eat one of skua spotted at the Pole might fare better It happened again last week, as a skua the orange flags along the station’s ice run- under the South Pole dome, where some that apparently strayed hundreds of miles way when he saw the bird. food waste is temporarily stored in large from its natural habitat was spotted in the Ruth Ofstedal said she and three co- open boxes, but doubted the bird would vicinity of the Amundsen-Scott South workers went looking for the skua after find its way there. Pole Station. The birds are common along Smith told them about it. She said they Late October to mid-December is typi- the shores of Antarctica – at least 800 found the bird resting on a snow berm cally the breeding season for skuas, with miles (1,280 km.) away – where there is along the ice runway before it eventually eggs hatching in late December to late plenty of food for them, but it is the first flew off toward the new elevated station January. The estimated lifespan of the sighting in two seasons at the Pole. being constructed. birds is about 11 years. There are no bird experts at the Pole – “Some people want to keep it as a pet,” There are two species of skuas found in hardly a surprise, since winged creatures she said. “Of course they’re fantasizing.” the Southern Ocean, the Antarctic (also aren’t supposed to be there – but the col- The Antarctic Treaty forbids disturbing known as the brown) and the south polar. lective opinion is wind or other weather native wildlife, so well-intentioned The latter breed is more commonly found factors help push the occasional skua way thoughts of assistance are not possible. in Antarctica, although they are often seen off its intended course.
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